28587040

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 71714160

約数和(自身を除く): 43127120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 61, 80, 101, 116, 122, 145, 160, 202, 232, 244, 290, 305, 404, 464, 488, 505, 580, 610, 808, 928, 976, 1010, 1160, 1220, 1616, 1769, 1952, 2020, 2320, 2440, 2929, 3232, 3538, 4040, 4640, 4880, 5858, 6161, 7076, 8080, 8845, 9760, 11716, 12322, 14152, 14645, 16160, 17690, 23432, 24644, 28304, 29290, 30805, 35380, 46864, 49288, 56608, 58580, 61610, 70760, 93728, 98576, 117160, 123220, 141520, 178669, 197152, 234320, 246440, 283040, 357338, 468640, 492880, 714676, 893345, 985760, 1429352, 1786690, 2858704, 3573380, 5717408, 7146760, 14293520, 28587040]

約数ペア:

[(1, 28587040), (2, 14293520), (4, 7146760), (5, 5717408), (8, 3573380), (10, 2858704), (16, 1786690), (20, 1429352), (29, 985760), (32, 893345), (40, 714676), (58, 492880), (61, 468640), (80, 357338), (101, 283040), (116, 246440), (122, 234320), (145, 197152), (160, 178669), (202, 141520), (232, 123220), (244, 117160), (290, 98576), (305, 93728), (404, 70760), (464, 61610), (488, 58580), (505, 56608), (580, 49288), (610, 46864), (808, 35380), (928, 30805), (976, 29290), (1010, 28304), (1160, 24644), (1220, 23432), (1616, 17690), (1769, 16160), (1952, 14645), (2020, 14152), (2320, 12322), (2440, 11716), (2929, 9760), (3232, 8845), (3538, 8080), (4040, 7076), (4640, 6161), (4880, 5858)]